docs: def get_shutit_pexpect_session_environment(self, environment_id):
  		"""Returns the first shutit_pexpect_session object related to the given
  		environment-id
  		"""
  		if not isinstance(environment_id, str):
  			self.fail('Wrong argument type in get_shutit_pexpect_session_environment') # pragma: no cover
  		for env in shutit_global.shutit_global_object.shutit_pexpect_session_environments:
  			if env.environment_id == environment_id:
  				return env
  		return None